diff options
Diffstat (limited to 'setuptools/_distutils/tests/test_build_ext.py')
| -rw-r--r-- | setuptools/_distutils/tests/test_build_ext.py | 550 |
1 files changed, 550 insertions, 0 deletions
diff --git a/setuptools/_distutils/tests/test_build_ext.py b/setuptools/_distutils/tests/test_build_ext.py new file mode 100644 index 0000000..920e4dc --- /dev/null +++ b/setuptools/_distutils/tests/test_build_ext.py @@ -0,0 +1,550 @@ +import sys +import os +from io import StringIO +import textwrap + +from distutils.core import Distribution +from distutils.command.build_ext import build_ext +from distutils import sysconfig +from distutils.tests.support import (TempdirManager, LoggingSilencer, + copy_xxmodule_c, fixup_build_ext) +from distutils.extension import Extension +from distutils.errors import ( + CompileError, DistutilsPlatformError, DistutilsSetupError, + UnknownFileError) + +import unittest +from test import support +from . import py38compat as os_helper +from test.support.script_helper import assert_python_ok + +# http://bugs.python.org/issue4373 +# Don't load the xx module more than once. +ALREADY_TESTED = False + + +class BuildExtTestCase(TempdirManager, + LoggingSilencer, + unittest.TestCase): + def setUp(self): + # Create a simple test environment + super(BuildExtTestCase, self).setUp() + self.tmp_dir = self.mkdtemp() + import site + self.old_user_base = site.USER_BASE + site.USER_BASE = self.mkdtemp() + from distutils.command import build_ext + build_ext.USER_BASE = site.USER_BASE + + # bpo-30132: On Windows, a .pdb file may be created in the current + # working directory. Create a temporary working directory to cleanup + # everything at the end of the test. + change_cwd = os_helper.change_cwd(self.tmp_dir) + change_cwd.__enter__() + self.addCleanup(change_cwd.__exit__, None, None, None) + + def tearDown(self): + import site + site.USER_BASE = self.old_user_base + from distutils.command import build_ext + build_ext.USER_BASE = self.old_user_base + super(BuildExtTestCase, self).tearDown() + + def build_ext(self, *args, **kwargs): + return build_ext(*args, **kwargs) + + def test_build_ext(self): + cmd = support.missing_compiler_executable() + if cmd is not None: + self.skipTest('The %r command is not found' % cmd) + global ALREADY_TESTED + copy_xxmodule_c(self.tmp_dir) + xx_c = os.path.join(self.tmp_dir, 'xxmodule.c') + xx_ext = Extension('xx', [xx_c]) + dist = Distribution({'name': 'xx', 'ext_modules': [xx_ext]}) + dist.package_dir = self.tmp_dir + cmd = self.build_ext(dist) + fixup_build_ext(cmd) + cmd.build_lib = self.tmp_dir + cmd.build_temp = self.tmp_dir + + old_stdout = sys.stdout + if not support.verbose: + # silence compiler output + sys.stdout = StringIO() + try: + cmd.ensure_finalized() + cmd.run() + finally: + sys.stdout = old_stdout + + if ALREADY_TESTED: + self.skipTest('Already tested in %s' % ALREADY_TESTED) + else: + ALREADY_TESTED = type(self).__name__ + + code = textwrap.dedent(""" + tmp_dir = {self.tmp_dir!r} + + import sys + import unittest + from test import support + + sys.path.insert(0, tmp_dir) + import xx + + class Tests(unittest.TestCase): + def test_xx(self): + for attr in ('error', 'foo', 'new', 'roj'): + self.assertTrue(hasattr(xx, attr)) + + self.assertEqual(xx.foo(2, 5), 7) + self.assertEqual(xx.foo(13,15), 28) + self.assertEqual(xx.new().demo(), None) + if support.HAVE_DOCSTRINGS: + doc = 'This is a template module just for instruction.' + self.assertEqual(xx.__doc__, doc) + self.assertIsInstance(xx.Null(), xx.Null) + self.assertIsInstance(xx.Str(), xx.Str) + + + unittest.main() + """.format(**locals())) + assert_python_ok('-c', code) + + def test_solaris_enable_shared(self): + dist = Distribution({'name': 'xx'}) + cmd = self.build_ext(dist) + old = sys.platform + + sys.platform = 'sunos' # fooling finalize_options + from distutils.sysconfig import _config_vars + old_var = _config_vars.get('Py_ENABLE_SHARED') + _config_vars['Py_ENABLE_SHARED'] = 1 + try: + cmd.ensure_finalized() + finally: + sys.platform = old + if old_var is None: + del _config_vars['Py_ENABLE_SHARED'] + else: + _config_vars['Py_ENABLE_SHARED'] = old_var + + # make sure we get some library dirs under solaris + self.assertGreater(len(cmd.library_dirs), 0) + + def test_user_site(self): + import site + dist = Distribution({'name': 'xx'}) + cmd = self.build_ext(dist) + + # making sure the user option is there + options = [name for name, short, lable in + cmd.user_options] + self.assertIn('user', options) + + # setting a value + cmd.user = 1 + + # setting user based lib and include + lib = os.path.join(site.USER_BASE, 'lib') + incl = os.path.join(site.USER_BASE, 'include') + os.mkdir(lib) + os.mkdir(incl) + + # let's run finalize + cmd.ensure_finalized() + + # see if include_dirs and library_dirs + # were set + self.assertIn(lib, cmd.library_dirs) + self.assertIn(lib, cmd.rpath) + self.assertIn(incl, cmd.include_dirs) + + def test_optional_extension(self): + + # this extension will fail, but let's ignore this failure + # with the optional argument. + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = self.build_ext(dist) + cmd.ensure_finalized() + self.assertRaises((UnknownFileError, CompileError), + cmd.run) # should raise an error + + modules = [Extension('foo', ['xxx'], optional=True)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = self.build_ext(dist) + cmd.ensure_finalized() + cmd.run() # should pass + + def test_finalize_options(self): + # Make sure Python's include directories (for Python.h, pyconfig.h, + # etc.) are in the include search path. + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = self.build_ext(dist) + cmd.finalize_options() + + py_include = sysconfig.get_python_inc() + for p in py_include.split(os.path.pathsep): + self.assertIn(p, cmd.include_dirs) + + plat_py_include = sysconfig.get_python_inc(plat_specific=1) + for p in plat_py_include.split(os.path.pathsep): + self.assertIn(p, cmd.include_dirs) + + # make sure cmd.libraries is turned into a list + # if it's a string + cmd = self.build_ext(dist) + cmd.libraries = 'my_lib, other_lib lastlib' + cmd.finalize_options() + self.assertEqual(cmd.libraries, ['my_lib', 'other_lib', 'lastlib']) + + # make sure cmd.library_dirs is turned into a list + # if it's a string + cmd = self.build_ext(dist) + cmd.library_dirs = 'my_lib_dir%sother_lib_dir' % os.pathsep + cmd.finalize_options() + self.assertIn('my_lib_dir', cmd.library_dirs) + self.assertIn('other_lib_dir', cmd.library_dirs) + + # make sure rpath is turned into a list + # if it's a string + cmd = self.build_ext(dist) + cmd.rpath = 'one%stwo' % os.pathsep + cmd.finalize_options() + self.assertEqual(cmd.rpath, ['one', 'two']) + + # make sure cmd.link_objects is turned into a list + # if it's a string + cmd = build_ext(dist) + cmd.link_objects = 'one two,three' + cmd.finalize_options() + self.assertEqual(cmd.link_objects, ['one', 'two', 'three']) + + # XXX more tests to perform for win32 + + # make sure define is turned into 2-tuples + # strings if they are ','-separated strings + cmd = self.build_ext(dist) + cmd.define = 'one,two' + cmd.finalize_options() + self.assertEqual(cmd.define, [('one', '1'), ('two', '1')]) + + # make sure undef is turned into a list of + # strings if they are ','-separated strings + cmd = self.build_ext(dist) + cmd.undef = 'one,two' + cmd.finalize_options() + self.assertEqual(cmd.undef, ['one', 'two']) + + # make sure swig_opts is turned into a list + cmd = self.build_ext(dist) + cmd.swig_opts = None + cmd.finalize_options() + self.assertEqual(cmd.swig_opts, []) + + cmd = self.build_ext(dist) + cmd.swig_opts = '1 2' + cmd.finalize_options() + self.assertEqual(cmd.swig_opts, ['1', '2']) + + def test_check_extensions_list(self): + dist = Distribution() + cmd = self.build_ext(dist) + cmd.finalize_options() + + #'extensions' option must be a list of Extension instances + self.assertRaises(DistutilsSetupError, + cmd.check_extensions_list, 'foo') + + # each element of 'ext_modules' option must be an + # Extension instance or 2-tuple + exts = [('bar', 'foo', 'bar'), 'foo'] + self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts) + + # first element of each tuple in 'ext_modules' + # must be the extension name (a string) and match + # a python dotted-separated name + exts = [('foo-bar', '')] + self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts) + + # second element of each tuple in 'ext_modules' + # must be a dictionary (build info) + exts = [('foo.bar', '')] + self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts) + + # ok this one should pass + exts = [('foo.bar', {'sources': [''], 'libraries': 'foo', + 'some': 'bar'})] + cmd.check_extensions_list(exts) + ext = exts[0] + self.assertIsInstance(ext, Extension) + + # check_extensions_list adds in ext the values passed + # when they are in ('include_dirs', 'library_dirs', 'libraries' + # 'extra_objects', 'extra_compile_args', 'extra_link_args') + self.assertEqual(ext.libraries, 'foo') + self.assertFalse(hasattr(ext, 'some')) + + # 'macros' element of build info dict must be 1- or 2-tuple + exts = [('foo.bar', {'sources': [''], 'libraries': 'foo', + 'some': 'bar', 'macros': [('1', '2', '3'), 'foo']})] + self.assertRaises(DistutilsSetupError, cmd.check_extensions_list, exts) + + exts[0][1]['macros'] = [('1', '2'), ('3',)] + cmd.check_extensions_list(exts) + self.assertEqual(exts[0].undef_macros, ['3']) + self.assertEqual(exts[0].define_macros, [('1', '2')]) + + def test_get_source_files(self): + modules = [Extension('foo', ['xxx'], optional=False)] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = self.build_ext(dist) + cmd.ensure_finalized() + self.assertEqual(cmd.get_source_files(), ['xxx']) + + def test_unicode_module_names(self): + modules = [ + Extension('foo', ['aaa'], optional=False), + Extension('föö', ['uuu'], optional=False), + ] + dist = Distribution({'name': 'xx', 'ext_modules': modules}) + cmd = self.build_ext(dist) + cmd.ensure_finalized() + self.assertRegex(cmd.get_ext_filename(modules[0].name), r'foo(_d)?\..*') + self.assertRegex(cmd.get_ext_filename(modules[1].name), r'föö(_d)?\..*') + self.assertEqual(cmd.get_export_symbols(modules[0]), ['PyInit_foo']) + self.assertEqual(cmd.get_export_symbols(modules[1]), ['PyInitU_f_1gaa']) + + def test_compiler_option(self): + # cmd.compiler is an option and + # should not be overridden by a compiler instance + # when the command is run + dist = Distribution() + cmd = self.build_ext(dist) + cmd.compiler = 'unix' + cmd.ensure_finalized() + cmd.run() + self.assertEqual(cmd.compiler, 'unix') + + def test_get_outputs(self): + cmd = support.missing_compiler_executable() + if cmd is not None: + self.skipTest('The %r command is not found' % cmd) + tmp_dir = self.mkdtemp() + c_file = os.path.join(tmp_dir, 'foo.c') + self.write_file(c_file, 'void PyInit_foo(void) {}\n') + ext = Extension('foo', [c_file], optional=False) + dist = Distribution({'name': 'xx', + 'ext_modules': [ext]}) + cmd = self.build_ext(dist) + fixup_build_ext(cmd) + cmd.ensure_finalized() + self.assertEqual(len(cmd.get_outputs()), 1) + + cmd.build_lib = os.path.join(self.tmp_dir, 'build') + cmd.build_temp = os.path.join(self.tmp_dir, 'tempt') + + # issue #5977 : distutils build_ext.get_outputs + # returns wrong result with --inplace + other_tmp_dir = os.path.realpath(self.mkdtemp()) + old_wd = os.getcwd() + os.chdir(other_tmp_dir) + try: + cmd.inplace = 1 + cmd.run() + so_file = cmd.get_outputs()[0] + finally: + os.chdir(old_wd) + self.assertTrue(os.path.exists(so_file)) + ext_suffix = sysconfig.get_config_var('EXT_SUFFIX') + self.assertTrue(so_file.endswith(ext_suffix)) + so_dir = os.path.dirname(so_file) + self.assertEqual(so_dir, other_tmp_dir) + + cmd.inplace = 0 + cmd.compiler = None + cmd.run() + so_file = cmd.get_outputs()[0] + self.assertTrue(os.path.exists(so_file)) + self.assertTrue(so_file.endswith(ext_suffix)) + so_dir = os.path.dirname(so_file) + self.assertEqual(so_dir, cmd.build_lib) + + # inplace = 0, cmd.package = 'bar' + build_py = cmd.get_finalized_command('build_py') + build_py.package_dir = {'': 'bar'} + path = cmd.get_ext_fullpath('foo') + # checking that the last directory is the build_dir + path = os.path.split(path)[0] + self.assertEqual(path, cmd.build_lib) + + # inplace = 1, cmd.package = 'bar' + cmd.inplace = 1 + other_tmp_dir = os.path.realpath(self.mkdtemp()) + old_wd = os.getcwd() + os.chdir(other_tmp_dir) + try: + path = cmd.get_ext_fullpath('foo') + finally: + os.chdir(old_wd) + # checking that the last directory is bar + path = os.path.split(path)[0] + lastdir = os.path.split(path)[-1] + self.assertEqual(lastdir, 'bar') + + def test_ext_fullpath(self): + ext = sysconfig.get_config_var('EXT_SUFFIX') + # building lxml.etree inplace + #etree_c = os.path.join(self.tmp_dir, 'lxml.etree.c') + #etree_ext = Extension('lxml.etree', [etree_c]) + #dist = Distribution({'name': 'lxml', 'ext_modules': [etree_ext]}) + dist = Distribution() + cmd = self.build_ext(dist) + cmd.inplace = 1 + cmd.distribution.package_dir = {'': 'src'} + cmd.distribution.packages = ['lxml', 'lxml.html'] + curdir = os.getcwd() + wanted = os.path.join(curdir, 'src', 'lxml', 'etree' + ext) + path = cmd.get_ext_fullpath('lxml.etree') + self.assertEqual(wanted, path) + + # building lxml.etree not inplace + cmd.inplace = 0 + cmd.build_lib = os.path.join(curdir, 'tmpdir') + wanted = os.path.join(curdir, 'tmpdir', 'lxml', 'etree' + ext) + path = cmd.get_ext_fullpath('lxml.etree') + self.assertEqual(wanted, path) + + # building twisted.runner.portmap not inplace + build_py = cmd.get_finalized_command('build_py') + build_py.package_dir = {} + cmd.distribution.packages = ['twisted', 'twisted.runner.portmap'] + path = cmd.get_ext_fullpath('twisted.runner.portmap') + wanted = os.path.join(curdir, 'tmpdir', 'twisted', 'runner', + 'portmap' + ext) + self.assertEqual(wanted, path) + + # building twisted.runner.portmap inplace + cmd.inplace = 1 + path = cmd.get_ext_fullpath('twisted.runner.portmap') + wanted = os.path.join(curdir, 'twisted', 'runner', 'portmap' + ext) + self.assertEqual(wanted, path) + + + @unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX') + def test_deployment_target_default(self): + # Issue 9516: Test that, in the absence of the environment variable, + # an extension module is compiled with the same deployment target as + # the interpreter. + self._try_compile_deployment_target('==', None) + + @unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX') + def test_deployment_target_too_low(self): + # Issue 9516: Test that an extension module is not allowed to be + # compiled with a deployment target less than that of the interpreter. + self.assertRaises(DistutilsPlatformError, + self._try_compile_deployment_target, '>', '10.1') + + @unittest.skipUnless(sys.platform == 'darwin', 'test only relevant for MacOSX') + def test_deployment_target_higher_ok(self): + # Issue 9516: Test that an extension module can be compiled with a + # deployment target higher than that of the interpreter: the ext + # module may depend on some newer OS feature. + deptarget = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') + if deptarget: + # increment the minor version number (i.e. 10.6 -> 10.7) + deptarget = [int(x) for x in deptarget.split('.')] + deptarget[-1] += 1 + deptarget = '.'.join(str(i) for i in deptarget) + self._try_compile_deployment_target('<', deptarget) + + def _try_compile_deployment_target(self, operator, target): + orig_environ = os.environ + os.environ = orig_environ.copy() + self.addCleanup(setattr, os, 'environ', orig_environ) + + if target is None: + if os.environ.get('MACOSX_DEPLOYMENT_TARGET'): + del os.environ['MACOSX_DEPLOYMENT_TARGET'] + else: + os.environ['MACOSX_DEPLOYMENT_TARGET'] = target + + deptarget_c = os.path.join(self.tmp_dir, 'deptargetmodule.c') + + with open(deptarget_c, 'w') as fp: + fp.write(textwrap.dedent('''\ + #include <AvailabilityMacros.h> + + int dummy; + + #if TARGET %s MAC_OS_X_VERSION_MIN_REQUIRED + #else + #error "Unexpected target" + #endif + + ''' % operator)) + + # get the deployment target that the interpreter was built with + target = sysconfig.get_config_var('MACOSX_DEPLOYMENT_TARGET') + target = tuple(map(int, target.split('.')[0:2])) + # format the target value as defined in the Apple + # Availability Macros. We can't use the macro names since + # at least one value we test with will not exist yet. + if target[:2] < (10, 10): + # for 10.1 through 10.9.x -> "10n0" + target = '%02d%01d0' % target + else: + # for 10.10 and beyond -> "10nn00" + if len(target) >= 2: + target = '%02d%02d00' % target + else: + # 11 and later can have no minor version (11 instead of 11.0) + target = '%02d0000' % target + deptarget_ext = Extension( + 'deptarget', + [deptarget_c], + extra_compile_args=['-DTARGET=%s'%(target,)], + ) + dist = Distribution({ + 'name': 'deptarget', + 'ext_modules': [deptarget_ext] + }) + dist.package_dir = self.tmp_dir + cmd = self.build_ext(dist) + cmd.build_lib = self.tmp_dir + cmd.build_temp = self.tmp_dir + + try: + old_stdout = sys.stdout + if not support.verbose: + # silence compiler output + sys.stdout = StringIO() + try: + cmd.ensure_finalized() + cmd.run() + finally: + sys.stdout = old_stdout + + except CompileError: + self.fail("Wrong deployment target during compilation") + + +class ParallelBuildExtTestCase(BuildExtTestCase): + + def build_ext(self, *args, **kwargs): + build_ext = super().build_ext(*args, **kwargs) + build_ext.parallel = True + return build_ext + + +def test_suite(): + suite = unittest.TestSuite() + suite.addTest(unittest.TestLoader().loadTestsFromTestCase(BuildExtTestCase)) + suite.addTest(unittest.TestLoader().loadTestsFromTestCase(ParallelBuildExtTestCase)) + return suite + +if __name__ == '__main__': + support.run_unittest(__name__) |